package demo3;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/loginCount.do")
public class LoginController extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        //this .getServletContext();获取对象也可以
        Object count1 = req.getSession().getServletContext().getAttribute("count");
        int count=(int)count1;
        req.setAttribute("count",count);//传递给页面展示使用
        req.getRequestDispatcher("/count.jsp").forward(req,resp);
    }
}
